﻿#region

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Globalization;
using System.Web.Mvc;
using System.Web.Security;

#endregion

#region - Legal -

///<legal>
/// Copyright © 2011, Tateeda Media Network
/// All rights reserved. http://tateeda.com
///
/// Redistribution and use in source and binary forms, with or without
/// modification, are permitted provided that the following conditions
/// are met:
///
/// - Redistributions of source code must retain the above copyright
/// notice, this list of conditions and the following disclaimer.
///
/// - Neither the name of the Tateeda Media Network, nor the names of its
/// contributors may be used to endorse or promote products
/// derived from this software without specific prior written
/// permission.
///
/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
/// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
/// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
/// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
/// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES INCLUDING,
/// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
/// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
/// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
/// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
/// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
/// POSSIBILITY OF SUCH DAMAGE.
///</legal>

#endregion - Legal -

namespace Tateeda.ClinicalStudy.Base.Modules.Infrastructure.Validation.UserMembership {

    [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false, Inherited = true)]
    public sealed class ValidatePasswordLengthAttribute : ValidationAttribute, IClientValidatable {
        private const string DefaultErrorMessage = "'{0}' must be at least {1} characters long.";
        private readonly int _minCharacters = Membership.Provider.MinRequiredPasswordLength;

        public ValidatePasswordLengthAttribute()
            : base(DefaultErrorMessage) {
        }

        #region IClientValidatable Members

        public IEnumerable<ModelClientValidationRule> GetClientValidationRules(ModelMetadata metadata,
                                                                               ControllerContext context) {
            return new[]
                       {
                           new ModelClientValidationStringLengthRule(FormatErrorMessage(metadata.GetDisplayName()),
                                                                     _minCharacters, int.MaxValue)
                       };
        }

        #endregion

        public override string FormatErrorMessage(string name) {
            return String.Format(CultureInfo.CurrentCulture, ErrorMessageString,
                                 name, _minCharacters);
        }

        public override bool IsValid(object value) {
            var valueAsString = value as string;
            return (valueAsString != null && valueAsString.Length >= _minCharacters);
        }
    }
}